CVE-2020-5881: High severity f5 access policy manager vulnerability

Q: What is the severity of CVE-2020-5881?

CVE-2020-5881 is rated as a high severity vulnerability due to its potential to disrupt network operations.

Q: How do I fix CVE-2020-5881?

To fix CVE-2020-5881, upgrade the affected BIG-IP versions to a non-vulnerable version as specified in the vendor's security advisory.

Q: What versions are affected by CVE-2020-5881?

CVE-2020-5881 affects BIG-IP Virtual Editions running versions 15.0.0 to 15.1.0.1, 14.1.0 to 14.1.2.3, and 13.1.0 to 13.1.3.3.

Q: What are the impacts of exploiting CVE-2020-5881?

Exploiting CVE-2020-5881 can lead to the Network Device Abstraction Layer (NDAL) Interfaces locking up, causing communication disruptions.

Q: Is there a workaround for CVE-2020-5881?

There are no specific workarounds for CVE-2020-5881; the best mitigation is to update to a fixed version.

Published Apr 30, 2020

Updated

On versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, and 13.1.0-13.1.3.3, when the BIG-IP Virtual Edition (VE) is configured with VLAN groups and there are devices configured with OSPF connected to it, the Network Device Abstraction Layer (NDAL) Interfaces can lock up and in turn disrupting the communication between the mcpd and tmm processes.

Affected Software

33 affected components

F5 BIG-IP Access Policy Manager>=13.1.0<=13.1.3.3

F5 BIG-IP Access Policy Manager>=14.1.0<=14.1.2.3

F5 BIG-IP Access Policy Manager>=15.0.0<=15.1.0.1

F5 BIG-IP Advanced Firewall Manager>=13.1.0<=13.1.3.3

F5 BIG-IP Advanced Firewall Manager>=14.1.0<=14.1.2.3

F5 BIG-IP Advanced Firewall Manager>=15.0.0<=15.1.0.1

F5 BIG-IP Analytics>=13.1.0<=13.1.3.3

F5 BIG-IP Analytics>=14.1.0<=14.1.2.3

F5 BIG-IP Analytics>=15.0.0<=15.1.0.1

F5 Big-ip Application Acceleration Manager>=13.1.0<=13.1.3.3

F5 Big-ip Application Acceleration Manager>=14.1.0<=14.1.2.3

F5 Big-ip Application Acceleration Manager>=15.0.0<=15.1.0.1

F5 BIG-IP Application Security Manager>=13.1.0<=13.1.3.3

F5 BIG-IP Application Security Manager>=14.1.0<=14.1.2.3

F5 BIG-IP Application Security Manager>=15.0.0<=15.1.0.1

F5 Big-ip Domain Name System>=13.1.0<=13.1.3.3

F5 Big-ip Domain Name System>=14.1.0<=14.1.2.3

F5 Big-ip Domain Name System>=15.0.0<=15.1.0.1

F5 Big-ip Fraud Protection Service>=13.1.0<=13.1.3.3

F5 Big-ip Fraud Protection Service>=14.1.0<=14.1.2.3

F5 Big-ip Fraud Protection Service>=15.0.0<=15.1.0.1

F5 Big-ip Global Traffic Manager>=13.1.0<=13.1.3.3

F5 Big-ip Global Traffic Manager>=14.1.0<=14.1.2.3

F5 Big-ip Global Traffic Manager>=15.0.0<=15.1.0.1

F5 Big-ip Link Controller>=13.1.0<=13.1.3.3

F5 Big-ip Link Controller>=14.1.0<=14.1.2.3

F5 Big-ip Link Controller>=15.0.0<=15.1.0.1

F5 Big-ip Local Traffic Manager>=13.1.0<=13.1.3.3

F5 Big-ip Local Traffic Manager>=14.1.0<=14.1.2.3

F5 Big-ip Local Traffic Manager>=15.0.0<=15.1.0.1

F5 Big-ip Policy Enforcement Manager>=13.1.0<=13.1.3.3

F5 Big-ip Policy Enforcement Manager>=14.1.0<=14.1.2.3

F5 Big-ip Policy Enforcement Manager>=15.0.0<=15.1.0.1

Event History

Apr 30, 2020

CVE Published

via MITRE·08:39 PM

Data Sourced

via MITRE·08:39 PM

DescriptionWeakness

Frequently Asked Questions

What is the severity of CVE-2020-5881?

CVE-2020-5881 is rated as a high severity vulnerability due to its potential to disrupt network operations.

How do I fix CVE-2020-5881?

To fix CVE-2020-5881, upgrade the affected BIG-IP versions to a non-vulnerable version as specified in the vendor's security advisory.

What versions are affected by CVE-2020-5881?